🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.62 AU - 1.02 AU

Year: 266 Days

Day: 14.5 Hours

Environment

Temp: 175 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,967,187 km

• M1: 168,148 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.34 AU - 1.48 AU

Year: 600 Days

Day: 23 Hours

Environment

Temp: -20 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.4 AU

Year: 983 Days

Day: 37.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.17 AU - 3.95 AU

Year: 2406 Days

Day: 16.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,967,187 km

• M1: 61,634 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229

Radius: 3.1

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 18.53 AU - 19.63 AU

Year: 29850 Days

Day: 18.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,967,187 km

• M1: 244,443 km (0.119 R)
• M2: 427,252 km (0.115 R)
• M3: 534,064 km (0.114 R)
• M4: 1,102,686 km (0.084 R)
• M5: 1,651,112 km (0.108 R)
• M6: 2,918,505 km (0.115 R)
• M7: 4,789,226 km (0.112 R)
• M8: 6,488,658 km (0.107 R)
• M9: 6,617,312 km (0.105 R)
• M10: 7,194,910 km (0.117 R)
• M11: 8,968,542 km (0.06 R)
• M12: 9,128,312 km (0.106 R)
• M13: 10,832,083 km (0.109 R)
• M14: 12,669,743 km (0.069 R)
• M15: 12,803,633 km (0.06 R)
• M16: 15,001,674 km (0.082 R)
• M17: 15,454,358 km (0.054 R)
• M18: 15,607,247 km (0.058 R)
• M19: 17,191,937 km (0.101 R)
• M20: 19,319,667 km (0.079 R)
• M21: 19,855,228 km (0.051 R)
• M22: 22,780,764 km (0.114 R)
• M23: 24,813,200 km (0.089 R)
• M24: 25,022,937 km (0.1 R)
• M25: 25,659,027 km (0.074 R)
• M26: 27,857,068 km (0.071 R)
• M27: 29,703,256 km (0.085 R)
• M28: 31,018,819 km (0.096 R)
• M29: 31,506,808 km (0.052 R)
• M30: 35,595,317 km (0.098 R)
• M31: 47,171,799 km (0.114 R)
• M32: 50,960,515 km (0.087 R)
• M33: 51,810,081 km (0.093 R)
• M34: 52,152,660 km (0.092 R)
• M35: 54,063,324 km (0.112 R)
• M36: 55,124,871 km (0.117 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 12,251 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit